Git is a free and open source distributed version control system. Git is designed very differently from tranditional version control system like Subversion (SVN). It may confuse a SVN user at first. In oder to benefit Git’s effeciency and speed, it’s really important to uderstand it and use it wisely. This article is not a “getting started” tutorial neither a deep discussion of Git, but will provide relevant tips, references, links to help professionals understanding and using Git for their daily work. I suppose that you, my dear reader, have already the basic undersatding on version control system such as SVN or CVS.